Engine unit of a brushcutter



FIG. 1 is a front view of the design for an engine unit of a brushcutter.

FIG. 2 is a rear view thereof.

FIG. 3 is a right view thereof.

FIG. 4 is a left view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for an engine unit of a brushcutter, as shown. 